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Trial Number 2

Trial Purpose:

Evaluate effectiveness for three products at increased time and concentrations

Date Run:

04/01/2002

Experiment Procedure:

The three products that showed improvement in the previous trial were diluted to 10% using DI water in 600 ml beakers. Each solution was heated to 110 F and degassed for 5 minutes in a Crest 40 kHz Ultrasonic unit.
Nine preweighed coupons were coated with the beeswax and weighed again. Three coupons were cleaned for 10 minutes followed by a tap water rinse at 120 F for 15 seconds and a heat gun drying at 300 F for 1 minute.
Final weights were recorded and efficiencies were calculated.

Trial Results:

Increasing the cleaning time and concentrations increased the efficiency for the three products tested. Inproclean and Texolite removed over 95% of the wax in the 10 minutes. The Polyspray product increased from 73% to 80%.

Cleaner Coupon 1 Coupon 2 Coupon 3 Average Std Dev
Inproclean 97.74 101.01 98.73 99.16 1.68
Texolite 98.23 98.47 94.07 96.92 2.47
Polyspray 83.29 74.56 83.16 80.33 5.00

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The effective cleaners will be tested on wax removal from glass coupons using ultrasonic energy.  Cleaners to evaluated are:  Inproclean 3800, Texolite 1734 XL, Bio T 200 A, Histo Clear and Opti Clear.

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